APPLICATORS TEST EXAM
______ fungicides are absorded by the plant and will move only
upward in the plant. - ANSWERS-systemic
What unit of measurement is used to measure spray droplets? they are
equal to 1/25,000 of an inch - ANSWERS-microns
Droplets below ____ microns in size are at risk of drift. - ANSWERS-
100
_______ (VMD) describes the diameter of droplet where half the
droplets in the spray are smaller and half are bigger. so basically the
median. - ANSWERS-Volume Medium Diameter
When a droplet spectrum category and VMD range is listed as
extremely fine and <50 microns what is the abbreviation for it? -
ANSWERS-XF
When a droplet spectrum category and VMD range is listed as very
fine and 50-100 microns what is the abbreviation for it? - ANSWERS-
VF
,When a droplet spectrum category and VMD range is listed as fine
and 150-250 microns what is the abbreviation for it? - ANSWERS-F
When a droplet spectrum category and VMD range is listed as
medium and 250-350 microns what is the abbreviation for it? -
ANSWERS-M
When a droplet spectrum category and VMD range is listed as coarse
and 350-450 microns what is the abbreviation for it? - ANSWERS-C
When a droplet spectrum category and VMD range is listed as very
coarse and 450-550 microns what is the abbreviation for it? -
ANSWERS-VC
When a droplet spectrum category and VMD range is listed as
extremely coarse and 550-650 microns what is the abbreviation for it?
- ANSWERS-XC
When a droplet spectrum category and VMD range is listed as ultra
coarse and >650 microns what is the abbreviation for it? -
ANSWERS-UC
______ nozzles have a wide angle of spray, vary greatly with pressure
- ANSWERS-flooding
_____ nozzles- pre-orifice, turbulence chamber, coarse droplets. -
ANSWERS-turbo flooding
, What nozzle type has a HIGH FLOW rate and wide angle? -
ANSWERS-high flow
what nozzle type extends the range of lower pressures you can use
because of its modified oriface? - ANSWERS-extended range nozzles
What device monitors application factors like flow rate, pressure, and
speed? - ANSWERS-spray rate controller
What information does the operator need to put into the spray rate
controller? - ANSWERS-effective sprayed width and target GPA
amount of time the nozzle is held open during pulse applications -
ANSWERS-duty cycle
_____ of the solution is the weight per unit of volume and expressed
commonly as pounds per gallon - ANSWERS-density
how much does a gallon of water weigh in pounds? - ANSWERS-8
An integrated pest management program is based upon what factors?
- ANSWERS-various, economical, environmentally sound, socially
acceptable